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  1. Power Converter
  2. Go Power
  3. 55 Amps
  4. AGM
  5. Lead Acid
  6. 12V
Go Power RV Converter and Smart Battery Charger - 12V - 55 Amp
Go Power

Go Power RV Converter and Smart Battery Charger - 12V - 55 Amp

Part Number: 34266169
In Stock
$203.99
Retail:$255.00
You Save: $51.01
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Smart converter charger extends RV battery life by fighting sulfation during storage. Multistage charging process switches modes to ensure a quick, complete charge. Converts AC shore power to DC power to run 12V loads at the campground. Great Prices for the best power converter from Go Power. Go Power RV Converter and Smart Battery Charger - 12V - 55 Amp part number 34266169 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (114)
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  • Used (1)

Go Power Power Converter - 34266169

  • 55 Amps
  • AGM
  • Lead Acid
  • 12V
  • Go Power
  • Converter Only
  • Multi-Stage Charge
  • AC to DC
  • RV

Smart converter charger extends RV battery life by fighting sulfation during storage. Multistage charging process switches modes to ensure a quick, complete charge. Converts AC shore power to DC power to run 12V loads at the campground.


Features:

  • Converter charger changes AC shore power to DC power to quickly charge your RV batteries
    • Provides continuous power to your DC breaker panel to run 12V loads
    • Works with flooded lead acid and AGM batteries
  • Smart system monitors your RV's batteries and automatically begins charging when needed
    • Multistage charging helps extend battery life
  • Built-in safety features protect your RV's electrical system


Specs:

  • Application: 12V battery systems
  • Rated power output: 780 watts
  • Amperage output: 55 amps
  • Voltage:
    • Input: 105 - 135 VAC
    • Output (no load): 14.4 VDC
    • Output (full load): >13.4 VDC
  • Operating temperature range: 32 F to 113 F
  • Cable length: 30"
  • Dimensions: 9-3/4" long x 7-3/4" wide x 3-1/2" tall
  • Weight: 6.5 lbs
  • 2-Year warranty


go power smart battery charger

The smart converter charger converts AC shore power into DC power and uses a multistage charging system to charge your battery bank. If your RV already has a stock converter charger, it will need to be removed to ensure this unit operates properly.


Automatic Multistage Charging System

Using a multistage charging system, the converter charger automatically switches voltages while the battery bank charges. This accelerates the charge, but also helps extend battery life by adjusting the voltage during the different modes. This charger is compatible with flooded lead acid and AGM batteries only. Do not use gel cell batteries as they can be damaged by the higher voltages of this charger.


Charging Modes

  1. Bulk: This mode charges at the full rated load for a quicker recharge time. As the name suggests, this is where the bulk of the charging happens. It typically charges the battery to at least 80% capacity.
  2. Absorption: This mode provides controlled voltage to ensure a full charge. Once the battery reaches between 80% to 90% capacity, the absorption state will kick in and start charging at a regulated voltage.
  3. Float: Once the battery reaches full charge, this mode maintains a lower voltage to compensate for self-discharge. This reduces battery stress and minimizes gassing and water loss.
  4. Equalization: On flooded batteries, this mode activates to prevent stratification and sulfate buildup during extended float cycles. These two issues can damage a battery by causing the accumulation of acid at the bottom of the battery and hardened sulfate crystals on the battery plates. This mode is especially helpful when your battery is going unused during storage.

Safety Features

The system includes a number of safety features. It has a reverse polarity protection that will protect the converter if the battery is hooked up incorrectly. It has short circuit protection as well, which limits the current and reduces the output until the short has been fixed. Additionally, the over current protection includes cycle-by-cycle peak limiting and rated current limiting. The built-in cooling fan also removes excess heat from the unit. The fan speed is proportional to the internal temperature on the converter, so the fan will turn on and off slowly to minimize noise.


How It Installs

The smart converter charger mounts inside your RV in a dry location with ventilation. The DC output terminals wire to the battery bank. The AC in cord plugs into a 120V 3-wire grounded source.



GPC-55-MAX Go Power! Smart Battery Converter Charger - 12V - 55 Amp





Customer Satisfaction Score:

Ratings & Reviews

4.8

114 reviews
Review sort icon
Smart converter charger extends RV battery life by fighting sulfation during storage. Multistage charging process switches modes to ensure a quick, complete charge. Converts AC shore power to DC power to run 12V loads at the campground.

by:

Works GREAT !!!!!!!!!!!!!!!!!!!!

Terry profile picture

Terry

1/23/2020

Awesome !!!!!



by:

Workin fine



by:

Exactly as stated worked perfectly with fast delivery

Thomas W. profile picture

Thomas W.

8/29/2022

Converter is working as it should after 1 year have had no problems keeps battery fully charged even after month of not using



by:

Easy install and does a great job keeping my AGM batteries topped off.



by:

Great prices , great customer service and knowledgeable about my parts



by:

Great transaction. Arrived sooner than the delivery date!



by:

So far so good. Replaced an older 55 amp converter that stopped functioning. This will be hooked to shore power permanently and power all DC components, as well as charge the battery bank in a shower trailer. Hopefully it lasts!



by:

Perfect replacement for original from rv factory. Old unit started 'fan whining' so I decided to replace it with this unit. Four screws, plug in and your done. Great product, great price, fast delivery!



by:

Quick fast and works as it should



by:

Fast delivery product works great



by:

Tammy shipped out my part that I needed and I received it 24 hours. A great job well done



by:

This was a replacement part, but an upgrade from what was in place. I used this because it has a fixed output and a four stage charger. It also has an adjustable voltage output. My client is a full-timer and stationary and connected to shore power. So the battery is rarely used. I like that I can easily toggle this to a fixed output, set the voltage, and disconnect the battery. Ironically, this was needed after I replaced the failed converter. The batteries went bad, so I just disconnected the batteries and didn't miss a beat. The batteries have a solar charger on them, so they stay topped off. Great product, but the adjustable function is something you should read about and understand before connecting this into your system.



by:

The product would have worked well with multiple modifications to the RV charger location, adding a DC ground to the RV frame, and modifications to the the charger attachment tabs to mount in the original charger location. After purchase and receipt of this charger I found a direct replacement of the original Parallax charger that would not require any modifications which I purchased and installed. I am keeping the Go power unit for a spare unit and charging our boat battery.



by:

Easy install and took care of fluttering lights.



by:

Working perfectly!



by:

still working great thank you!!

Steve profile picture

Steve

6/2/2025

still working as far as i know it was for a customer



by:

It functios well. My only complaint is the cooling fan makes a high pitched whine when it runs. It's quite loud. .

Tom profile picture

Tom

2/16/2025

The converter is working great. The fan noise was noticeable because of its location. I installed some sound deadening material 5 bucks at Home Depot and its fine.

Kate F. profile picture
Etrailer Expert

Kate F.

2/17/2025

@Tom Hey there Tom! Happy to hear that you were able to find a way to get rid of the fan noise. Any fun trips planned this year?


by:

Excellent service and device is working properly.



by:

I got the part a day early!!! Can't wait to install



by:

Shipped and arrived as stated. Fit perfectly. Installed in a few minutes. Easy hookup for battery connectors. Working well. Fan is quiet. Can hear it slightly when real close to steps( 5th wheel) to bed room.



by:

Arrived ahead of schedule and worked excellent. Was a nice upgrade to the 20 year old unit it replaced.



by:

To soon to tell. Ask me in a year. Everything works great for a week
Thank You



by:

Works great! Good to have 12v power again when living full time in our rig! Great customer service!



by:

Converter works well so far. Only issue is it did not come with an install/user manual as mentioned in the product video. You have to call e trailer to get a pdf link.



by:

Just recently installed (10/19/25) on our ‘21 keystone sprinter 35BH to replace the wfco model 9855 that had quit. Install was easy, mounting holes were a bit off but not an issue. Also installed a new deep cycle agm battery at the same time and it is working great. Will update after some time.

Mike L. profile picture
Etrailer Expert

Mike L.

10/29/2025

I'm glad to hear your Converter/Charger is working well for you! I look forward to your updates.....


25
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Condition: Surface Scratches

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Info for this part was:

Employee Jeff D
Installed by:
Jeff D
Employee Jameson C
Expert Research:
Jameson C
Employee Wilson B
Updated by:
Wilson B
Employee Alex H
Updated by:
Alex H
Employee Amanda M
Edited by:
Amanda M
Employee Halie H
Written by:
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